Decay of transverse acoustic waves in a pulsed gas laser
The long-term characteristics of transverse acoustic waves in the cavity of a pulsed gaseous laser were studied by analyzing them in a straight duct configuration with nonlinear techniques used in sonic boom problems. A decaying sawtooth waveform containing a shockwave reverberated in the cavity transverse to the flow direction. In the asymptotic decay, the relative pressure perturbation of the wave varies as the 2/5 power of the product of the relative overpressure from the pulse and the speed of sound in the gas.
- Research Organization:
- TRW Defense and Space Systems Group, Redondo Beach, Calif.
- OSTI ID:
- 5709785
- Journal Information:
- AIAA J.; (United States), Vol. 18
- Country of Publication:
- United States
- Language:
- English
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